focal是什麼意思 focal的用法 focal怎麼讀

focal

英 ['fəʊk(ə)l]美 ['fokl]

adj. 焦點的，在焦點上的；灶的，病灶的

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中文詞源

focal 焦點的

來自focus, 焦點。

英語詞源

focal (adj.)

"of or pertaining to a focus," 1690s, from Modern Latin focalis

; see focus (n.) + -al (1).

權威例句

1. In rural areas, the school is often the focal point for the local community.

在農村，學校常常是當地社區的活動中心。

2. The brochure described the library as the focal point of learning on the campus.

這本小冊子把圖書館形容為校園學習的中心。

3. Consequently, even as the blogosphere continues to expand, only a few blogs are likely to emerge as focal points.

結果，儘管博客圈繼續擴大，但僅有少數的博客有可能脱穎而出，成為關注的焦點。

4. A typical lens has a focal length ( f ) of 625 mm.

常見鏡頭的焦距 ( f ) 為625毫米.

5. As a result, the focal lengths in these planes will be different.

結果, 這兩個平面內的焦距將不同.

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